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For the example I took a random line from Symfony and shortened it a bit:

https://github.com/symfony/http-client/blob/master/HttpClien...

You are free to link to some other example.

Any example where the type is defined as something more specific than an array (especially in PHP, where the `array` type doesn't even differentiate between numerically indexed arrays and dictionaries).

Regardless, I still think the type hints in Symfony's version are better than nothing. It's also worth noting that `private static` is concerned with scope, not types.

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